7678226117 has 2 divisors, whose sum is σ = 7678226118. Its totient is φ = 7678226116.

The previous prime is 7678226107. The next prime is 7678226203. The reversal of 7678226117 is 7116228767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7368677281 + 309548836 = 85841^2 + 17594^2 .

It is a cyclic number.

It is not a de Polignac number, because 7678226117 - 2⁶ = 7678226053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7678226107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3839113058 + 3839113059.

It is an arithmetic number, because the mean of its divisors is an integer number (3839113059).

Almost surely, 2^7678226117 is an apocalyptic number.

It is an amenable number.

7678226117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7678226117 is an equidigital number, since it uses as much as digits as its factorization.

7678226117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 47.

The square root of 7678226117 is about 87625.4878274581. The cubic root of 7678226117 is about 1972.8177459735.

The spelling of 7678226117 in words is "seven billion, six hundred seventy-eight million, two hundred twenty-six thousand, one hundred seventeen".